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1SAH100531R9900 ABB MCRI031ATD Mini Contactor Relay 3NO 1NC Control Relay
ABB 1SAH100531R9900 MCRI031ATD mini contactor relay with 24 V DC coil, 3NO + 1NC contacts and compact DIN rail mounting design for industrial control applications.
£33.53
Why Choose the ABB 1SAH100531R9900 MCRI031ATD Mini Contactor Relay?
The ABB 1SAH100531R9900 is a compact and reliable mini contactor relay designed for switching control signals and small electrical loads in residential, commercial and industrial automation systems. As part of the ABB MCRI mini contactor relay series, it provides dependable switching performance where high functionality and space-saving installation are required.
This relay features a dimension-optimised four-pole contactor relay design with screw terminals, making it suitable for compact electrical panels and control systems. The small footprint allows efficient installation where available space is limited while maintaining reliable electrical performance.
With a 24 V DC coil supply, 3NO + 1NC auxiliary contacts and a rated operational current of 4 A at 400 V AC-15, the ABB 1SAH100531R9900 is ideal for switching control circuits, PLC interfaces and auxiliary loads in modern automation installations.
Key Advantages
- Compact mini contactor relay designed for space-saving installations.
- 24 V DC coil voltage suitable for automation control systems.
- 3NO + 1NC auxiliary contact configuration for flexible switching functions.
- Low energy consumption coil suitable for direct PLC control.
- Screw terminal connections for secure electrical wiring.
- Suitable for DIN rail or wall mounting applications.
Key Features
- ABB MCRI031ATD mini contactor relay.
- Four-pole contactor relay design.
- 24 V DC coil operation.
- 3 normally open (NO) auxiliary contacts.
- 1 normally closed (NC) auxiliary contact.
- 4 A rated operational current at 400 V.
- Screw terminal connection system.
- DIN rail and wall mounting capability.
Reliable Control Switching for Automation Systems
Mini contactor relays such as the ABB 1SAH100531R9900 provide reliable switching of control circuits and auxiliary loads in automated electrical systems. Their compact design enables efficient panel layouts while maintaining dependable switching performance.
The ABB MCRI series is designed for applications requiring reliable control switching in a small footprint. With multiple auxiliary contacts and flexible mounting options, these relays support a wide range of industrial, commercial and building automation installations.
Typical Applications
- Industrial automation control panels.
- PLC interface and control circuits.
- Building automation systems.
- Switching of control signals and auxiliary loads.
- Machine control equipment.
- Commercial and residential electrical installations.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 24 V | |
| Poles | 4-pole | |
| Coil / Supply Voltage | 24 V DC | |
| Device Type | Contactor relay | |
| Auxiliary Contacts | 3NO + 1NC | |
| Coil Type | DC | |
| Current AC-1 | 10 A | |
| Manufacturer | ABB | |
| Series | MCRI Mini Contactor Relays | |
| Model | 1SAH100531R9900 | |
| Type | MCRI031ATD | |
| Product type | Mini contactor relay | |
| Coil / Supply Voltage | 24 V DC | |
| Number of poles | 4 | |
| Auxiliary contacts | 3NO + 1NC | |
| Rated operational current AC-15 | 4 A at 400 V | |
| Conventional thermal current Ith | 10 A | |
| Rated insulation voltage Ui | 750 V | |
| Rated impulse withstand voltage Uimp | 6 kV | |
| Mounting type | DIN rail / wall mounting | |
| Connection type | Screw terminals | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | approx. 48 × 45 × 68 mm | |
| Weight | approx. 0.235 kg |
Frequently Asked Questions
What is the ABB 1SAH100531R9900 used for?
The ABB 1SAH100531R9900 is a mini contactor relay used for switching control signals and auxiliary electrical loads in automation systems.
What coil voltage does this contactor relay require?
The device operates with a 24 V DC coil supply.
What contact arrangement does this relay provide?
The ABB 1SAH100531R9900 provides 3 normally open (NO) and 1 normally closed (NC) auxiliary contacts.
Where is this mini contactor relay installed?
The relay is typically installed on DIN rails or inside electrical control panels for automation and switching applications.
What type of terminals does this relay use?
The ABB 1SAH100531R9900 uses screw terminal connections for secure electrical wiring.
Trusted for Industrial Control Applications
ABB mini contactor relays are widely used by automation engineers and electrical professionals to provide reliable control switching, compact installation and dependable operation in modern electrical systems.
